Riedell Solaris Premium Leather Roller Skates with PowerDyne Neo Reactor Size men's 6.5. Hand Sorted Full Grain Kango-Tan leather upper. Perforated Strata microfiber lining with moisture and odor resistant treatment. Innovative V-lock strap to securely hold heel in place. Neo Reactor Plate is 6061 series heat-treated treated lightweight, extruded aircraft aluminum. 10-degree.